264630605773 has 2 divisors, whose sum is σ = 264630605774. Its totient is φ = 264630605772.

The previous prime is 264630605731. The next prime is 264630605821. The reversal of 264630605773 is 377506036462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196197615364 + 68432990409 = 442942^2 + 261597^2 .

It is a cyclic number.

It is not a de Polignac number, because 264630605773 - 2²¹ = 264628508621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264630605713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132315302886 + 132315302887.

It is an arithmetic number, because the mean of its divisors is an integer number (132315302887).

Almost surely, 2^264630605773 is an apocalyptic number.

It is an amenable number.

264630605773 is a deficient number, since it is larger than the sum of its proper divisors (1).

264630605773 is an equidigital number, since it uses as much as digits as its factorization.

264630605773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 49.

The spelling of 264630605773 in words is "two hundred sixty-four billion, six hundred thirty million, six hundred five thousand, seven hundred seventy-three".